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Fault Trapper™ 

 

Transient Fault Location for Branch Circuit Breakers 

 

 

Toll Free: 800-749-5783 

Page 

2

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8

 

V 1.3 (draft)

 

 

User Manual  

Introduction 

 

Fault Trapper™ is a new class of tester intended to locate the distance to a circuit anomaly that is either 

intermittently causing a change in the circuit’s characteristics or blowing the circuit breaker.  Fault 

Trapper™ can capture and save both types of events and saves them separately.  If the circuit breaker 

trips, the backup battery powers the Fault Trapper™ to allow for an orderly shutdown.  The last faults 

can be viewed using the battery power.  The In-Line Adapter isolates the circuit being monitored from 

the breaker panel and all other breakers.  

This product should only be used by and connected/disconnected from circuit to be tested by qualified 

service personnel or certified electricians. 

Features 

 

In line monitoring of branch circuits up to 300 VAC and 40 amps  

Fault Location reported as distance from Fault Trapper™.   

Simple user interface - Backlit LCD display and three buttons  

Back-up battery allows capture of breaker trips/Unpowered display of results   

 

Safety Information 

 

Safety Alert Symbols  

To ensure safe operations of the Fault Trapper™, follow instructions carefully when using the unit and 
observe warning and caution messages listed in this manual.  Failure to observe warnings can result in 
severe injury or death and can damage the unit.  

 

Fault Trapper™ is for use only by persons qualified to work in and around breaker panels. 

 

Do not use the Fault Trapper™ or cables if they appear damaged or the unit is not working 
properly. 

 

Do not use with voltages and currents higher than the Fault Trapper™ is rated for - 100 to 240Vac 

Symbol 

 Definition  

(Exclamation point)  

Warning:

 Potential for 

personal injury.  

Caution:

 Potential for 

damage to or destruction of 
equipment.  

(CE symbol)  

Conformité Européenne. 
Conforms to European 
Economic Area directives.  

(TRASH SYMBOL)  

Disposal information  

 

Summary of Contents for Fault Trapper TFT100

Page 1: ...Transient Fault Location for Branch Circuit Breakers TFT100 2450 Turquoise Circle Newbury Park CA 91320 Toll Free 800 749 5783...

Page 2: ...ring of branch circuits up to 300 VAC and 40 amps Fault Location reported as distance from Fault Trapper Simple user interface Backlit LCD display and three buttons Back up battery allows capture of b...

Page 3: ...between Fault Trapper and In Line adapter Before opening the battery door remove cables from Fault Trapper Always wear personal protective equipment when working with the Fault Trapper Do not open cas...

Page 4: ...ctions Connectors 1 Power Source Usually attached to circuit breaker terminal or terminals using plug in terminal blocks supplied Screws on terminal block should be tightened to 7in lbs Connectors con...

Page 5: ...and Ignore buttons for 3 seconds The ft or m icons will flash denoting the new unit used for measurement Caution Turn off power to circuit the In Line Adapter is being connected to Connecting In Line...

Page 6: ...20V AFCI or GFCI Breaker Connection To connect to a 120Vac GFI or AFCI breaker up to 40amps All connections to the Fault Trapper 40 Amp adapter are madding using plug in terminal blocks torque screws...

Page 7: ...esting and clear any previous faults and Ignores Ignore Feature The Ignore button is used to tell the Fault Trapper that a fault it is detecting is part of the normal operation of the circuit such as...

Page 8: ...x 1 5 inches Weight 255 grams 9 oz With battery 40amp In Line Adapter Size 11 5 x 7 6 x 5 85 cm 4 5 x 3 0 x 2 3 inches Weight 312 grams 11 oz Input Rating Fault Trapper Main Unit 90 to 265 Volts ac r...

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